diff options
Diffstat (limited to 'src/backend/storage/ipc/sinvaladt.c')
| -rw-r--r-- | src/backend/storage/ipc/sinvaladt.c | 10 |
1 files changed, 3 insertions, 7 deletions
diff --git a/src/backend/storage/ipc/sinvaladt.c b/src/backend/storage/ipc/sinvaladt.c index a50cc4601e5..de56b2d1b05 100644 --- a/src/backend/storage/ipc/sinvaladt.c +++ b/src/backend/storage/ipc/sinvaladt.c @@ -8,7 +8,7 @@ * * * IDENTIFICATION - * $PostgreSQL: pgsql/src/backend/storage/ipc/sinvaladt.c,v 1.54 2003/12/20 17:31:21 momjian Exp $ + * $PostgreSQL: pgsql/src/backend/storage/ipc/sinvaladt.c,v 1.55 2004/05/23 03:50:45 tgl Exp $ * *------------------------------------------------------------------------- */ @@ -215,16 +215,12 @@ SIInsertDataEntry(SISeg *segP, SharedInvalidationMessage *data) /* * Try to prevent table overflow. When the table is 70% full send a * WAKEN_CHILDREN request to the postmaster. The postmaster will send - * a SIGUSR2 signal (ordinarily a NOTIFY signal) to all the backends. - * This will force idle backends to execute a transaction to look - * through pg_listener for NOTIFY messages, and as a byproduct of the - * transaction start they will read SI entries. + * a SIGUSR1 signal to all the backends, which will cause sinval.c + * to read any pending SI entries. * * This should never happen if all the backends are actively executing * queries, but if a backend is sitting idle then it won't be starting * transactions and so won't be reading SI entries. - * - * dz - 27 Jan 1998 */ if (numMsgs == (MAXNUMMESSAGES * 70 / 100) && IsUnderPostmaster) |